select nebulae.*,if(Name='',concat('DITL Nebulae #',nebulae.ListID),Name) as Name,nebulaeimages.ImageName,refs.* from nebulae left join nebulaeimages on nebulaeimages.ListID=nebulae.ListID left join refs on refs.RefNumber=nebulae.Ref where left(if(Name='',concat('DITL Nebulae #',nebulae.ListID),Name),1)=:Name order by Name Asc;

A nebula in the Alpha Quadrant. Data was once able to calculate the distance between the Omicron galaxy and the Crab nebula by a complex method which involved using the square root of pi and then multiplying it by nine to the third power.3